TESTO 875-KIT Instruction Manual
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TESTO 875-KIT Instruction Manual

Thermal imager
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testo 875i · Thermal imager
Instruction manual
1.800.561.8187
information@itm.com
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Summary of Contents for TESTO 875-KIT

  • Page 1 875i · Thermal imager Instruction manual 1.800.561.8187 information@itm.com www. .com...
  • Page 2 1.800.561.8187 information@itm.com www. .com...

  • Page 3: Table Of Contents

    1 Contents Contents Contents ....................3 Safety and the environment ..............4 2.1. About this document ................ 4 2.2. Ensure safety ................... 5 2.3. Protecting the environment .............. 6 Specifications ..................7 3.1. Use ....................7 3.2. Technical data ................. 8 Product description ................

  • Page 4: Safety And The Environment

    2 Safety and the environment Safety and the environment 2.1. About this document > Please read this documentation through carefully and familiarize yourself with the product before putting it to use. Pay particular attention to the safety instructions and warning advice in order to prevent injuries and damage to the products.

  • Page 5: Ensure Safety

    > Carry out only the maintenance and repair work on this instrument that is described in the documentation. Follow the prescribed steps exactly. Use only original spare parts from Testo. > Improper use of rechargeable batteries can lead to destruction or injuries by means of current surges, fire or escaping chemicals.

  • Page 6: Protecting The Environment

    > At the end of its useful life, send the product to the separate collection for electric and electronic devices (observe local regulations) or return the product to Testo for disposal. 1.800.561.8187 information@itm.com www.

  • Page 7: Specifications

    3 Specifications Specifications 3.1. The testo 875i is a handy and robust thermal imager. It opens the door to contactless determination and illustration of the temperature distribution on surfaces for you. Typical areas of application are: • Building inspection (heating, ventilation and air conditioning...

  • Page 8: Technical Data

    Characteristic Values Field of vision/min. Standard lens: 32° x 23°/0.1 m (0.33 ft) focusing distance Telephoto lens (testo 875-2i only, optional): 9° x 7° / 0.5 m (1.64 ft) Thermal sensitivity <50 mK at 30 °C (86 °F) (NETD) Geometric resolution Standard lens: 3.3 mrad...
  • Page 9 ±2 °C (±3.6 °F) or ±2 % of reading (whichever is the greater) With measuring range 3 activated (optional, testo 875-2i only), for readings within the range of 350 - 550 °C (662 - 1022 °F): ±3 % of reading Reproducibility ±1 °C (±1.8 °F) or ±1 % (whichever is the...
  • Page 10 Measuring functions Standard measurement (1-point), 2-point measurement, Cold-/Hotspot, solar (manual entry of the radiation intensity) Also with testo 875-2i: isotherm, min./max. on area, Display of humidity image via manual entry of the ambient humidity / temperature (real-time display with optional...
  • Page 11 3 Specifications Audio functions (testo 875i-2 only) Characteristic Values Sound via headset (included in delivery) recording/playback Recording period max. 30 s per image Power supply Characteristic Values Battery type Fast-charging, Li-ion battery can be changed on-site Operating time approx. 4 h at 20 - 30 °C (68 - 86 °F)
  • Page 12 3 Specifications Standards, tests, warranty Characteristic Values EU Directive 2004/108/EC Vibration IEC 60068-2-6 Warranty 2 years, warranty conditions 1.800.561.8187 information@itm.com www. .com...

  • Page 13: Product Description

    4 Product description Product description 4.1. Overview Product components 1 Display. 2 Control keys: Functions Switch the imager on/off. [OK] Joystick • Press [OK]: Open menu, confirm selection/setting. • Move [OK] up/down/right/left = Joystick function: Select functions, navigate [Esc] Cancel action. Left/right ["xy"] Call up a function.

  • Page 14: Basic Properties

    Do not use desktop tripods, danger of tilting! 5 Right interface terminal: Radio module compartment. 6 2 LEDs: For illumination for the visual image (testo 875-2i only). 7 Digital camera lens: For recording visual images 8 Laser (not available in all countries): For aiming at the measuring field.
  • Page 15 4 Product description File formats and file names The images are saved according to the following pattern: XX_YYYYY.ZZZ for IR/humidity image with relevant real image, for real image. YYYYY: 5-digit consecutive number ZZZ (file extension): for IR/humidity image with relevant real image, for real image.

  • Page 16: First Steps

    5 First steps First steps 5.1. Commissioning Connect rechargeable battery The imager is delivered with a rechargeable battery that is inserted in the rechargeable battery slot but not connected. > Push the battery all the way into the rechargeable battery slot until this is flush with the bottom of the handle.
  • Page 17 5 First steps 2. Connect the mains unit to the mains socket ( ) (2). 3. Connect the mains plug to a mains socket. The thermal imager starts automatically. When charging the rechargeable battery, the imager can remain switched on or be switched off. This has no effect on the length of the charging process.

  • Page 18: Getting To Know The Product

    > To remove the memory card: Press on the memory card to release the lock. Inserting a radio module (accessory, testo 875-2i only) Using a radio module (accessory) the instrument can be connected with a radio humidity probe. The radio module must be connected before switching on the instrument in order for the instrument to be identified.
  • Page 19 Protection glass option, see Optics..., page 34. If this option is set incorrectly, the specified measuring accuracy is not ensured. Mounting/removing high-temperature filter (testo 875-2i only) Installation: 1. Attach the high-temperature filter (with red fitting) fastened to the red mounting ring to the lens and turn the mounting ring clockwise to the stop.
  • Page 20 1. Place the tripod adapter on the lower end of the handle and screw on using the included Allen key (ISO 2936, size 4). 2. Slide thermal imager into the fastening plate of the testo tripod and lock or fasten it to the commercially available standard tripod (screw-type fastening).
  • Page 21 5 First steps 4. Turn the lens lock ring clockwise to the stop. Always store lenses not in use in the container designed for this in the case. > Turn the lens ring clockwise to the stop, place the lens in the container and close it.
  • Page 22 5 First steps Record (freeze/save) image 1. Press [Trigger]. The image is frozen (fixed image). If the image is to be saved, the desired storage location can be set using the left [Folder] quick select button, see Select the storage location (folder), page 39.
  • Page 23 Laser Switch on laser for homing in on the measuring surface (hold button down). Light (testo 875-2i Switch on/off LEDs for lighting up objects for only) the digital camera. Palette Change colour palette for the infrared image.
  • Page 24 5 First steps Depending on the selected menu item, press [OK] to perform a setting or open a submenu/dialogue, see Menu functions, page 1.800.561.8187 information@itm.com www. .com...

  • Page 25: Using The Product

    6 Using the product Using the product 6.1. Menu functions 6.1.1. Measuring functions 1-point measurement 1-point measurement is the standard measuring function. If this is activated ( ), all available options can be selected via the quick select buttons. > [OK] Measurement [OK]...
  • Page 26 Coldspot Hotspot quick select button to activate/deactivate the respective function. Min./Max. on area (testo 875-2i only) Min./Max. on area shows the minimum and maximum temperature value within the area selection shown on the display. The area selection is neither scalable nor adjustable. If Min./Max.
  • Page 27 6 Using the product are shown as a humidity image. The special colour palette indicates which areas are at risk of mould: Colour Surface moisture Assessment green 0…64%RH non-critical yellow/or 65…80%RH potentially critical ange >80%RH critical If this function is enabled ( ), the shortcut buttons are permanently assigned the functions Humidity...

  • Page 28: Image Gallery

    With temperature differences larger than 350 K the use of the Ironbow HT palette is recommended as it enables lower temperatures to be shown with higher contrast, see Palette, page 33see Mounting/removing high-temperature filter (testo 875-2i only), page 19. 6.1.2. Image gallery Show images… [OK] Image gallery [OK] Show images…...

  • Page 29: Scale

    6 Using the product 3. In single image: Press [OK] to open selected preview image. Press Gallery to return to the image overview. Delete image 1. In single image: Select image (orange border) or select and open image. 2. Press Delete to delete the selected or open image.

  • Page 30: Display

    6 Using the product 2. Move Joystick left/right to select the desired option: Auto- scaling ( ), min. value ( ), temperature range ( ) or max. value ( ) The selected option has an orange border ( ). 3. With the selection of min. value, temperature range or max. value: Move Joystick up/down to change the value(s).
  • Page 31 6 Using the product adhesive (art. no. 0554 0051) which must be applied to the object being measured. The following table gives typical emissivities of important materials. These values can be used as orientation with the user-defined settings. Material (material temperature) Emissivity Aluminium, bright rolled (170 °C) 0.04...
  • Page 32 6 Using the product Reflected temperature Using this offset factor, the reflection is calculated out due to the low emissivity and the accuracy of the temperature measurement with infrared instruments is improved. In most cases, the reflected temperature is identical to the ambient air temperature. Only when objects with strong emissions with much higher temperatures (such as ovens or machines) are in the proximity of the object being measured should the radiation temperature of theses heat sources...

  • Page 33: Palette

    6 Using the product The selected emissivity ( ) is shown at the bottom right in the display in measurement view. 6.1.6. Palette Change colour palette for the infrared image You can choose between 10 existing palettes. The Ironbow HT palette is intended specifically for measurements in the high- temperature measuring range (low temperatures are shown with higher contrast).
  • Page 34 The lenses adjusted to the instrument are shown. Only the lenses that are shown may be used. testo 875-2i: The high-temperature filter registered in the instrument is shown. With use of another high-temperature filter, the specified accuracy is not ensured.
  • Page 35 6 Using the product This function is available as an additional option (article no. 0554 7806) and must be activated before it can be used, if the option was not ordered at the same time as the imager. Activate function (only with subsequent order): You will receive an envelope with an access code (identification code) When all necessary data has been entered, an...
  • Page 36 (accessory), see Inserting a radio module (accessory, testo 875-2i only), page 18. Every radio probe has a probe identification number (RFID). This is made up of the three-digit RFID number on the probe and the position of the switch in the battery compartment of the radio probe or L).
  • Page 37 6 Using the product If no readings appear during the measurement: > Check the potential causes, see above. Audio settings…(testo 875-2i only) The volume of the audio playback and recording can be set. [OK] Configuration… [OK] Audio settings… | [OK].

  • Page 38: Measuring

    NOTICE Damage to the infrared detector by measuring high scene temperatures. > testo 875i without high-temperature filter: do not direct the thermal imager at areas > 500°C / 932°F. > testo 875-2i with high-temperature filter: do not direct the thermal imager at areas > 800°C / 1472°F.
  • Page 39 [Apply] quick select button to select the opened folder. Recording/playing audio comments (testo 875-2i only) It is only possible to record an audio comment for frozen images. It is possible to play audio comments with frozen and saved pictures. 1. While an image is frozen (fixed image): Press the right [Audio] quick select button.
  • Page 40 6 Using the product • Play recording: 1. Select beginning of recording: Press again. 2. Start playback: Press 3. Stop playback: Press > Continue playback: Press again. • Change audio comment: 1. Selection position from which the recording should be overwritten: Begin playback with and stop at the desired point...

  • Page 41: Maintaining The Product

    7 Maintaining the product Maintaining the product Changing the battery To prevent losing the instrument settings: Only change the rechargeable battery when a buffer battery is inserted in the instrument or the mains unit is connected. 1. Press lock release button. The rechargeable battery is released and sticks out a little from the rechargeable battery slot.
  • Page 42 7 Maintaining the product NOTICE Incorrectly inserted batteries can lead to damage of the product! > When inserting the batteries, observe the polarity (label on the battery holder). 4. Insert battery holder into the battery slot. 1.800.561.8187 information@itm.com www. .com...

  • Page 43: Tips And Assistance

    > Check parameter settings for plausibility. Measurement function Radio probe not logged on or sources Humidity: No readings of interference in the radio from the radio probe are transmission: shown. > Check possible causes, see Radio…( testo 875-2i only), page 1.800.561.8187 information@itm.com www. .com...

  • Page 44: Accessories And Spare Parts

    Lens protection glass 0554 8805 High-temperature filter (Retrofitting, testo 875-2i on request only) Telephoto lens (testo 875-2i only) on request Radio humidity probe (testo 875-2i only) on request Super Resolution 0554 7806 Emission adhesive 0554 0051 Rech. batt. 0554 8802...
  • Page 45 1.800.561.8187 information@itm.com www. .com...
  • Page 46 1.800.561.8187 information@itm.com www. .com...
  • Page 47 1.800.561.8187 information@itm.com www. .com...
  • Page 48 0970 8754 en 01 V01.00 en 1.800.561.8187 information@itm.com www. .com...

This manual is also suitable for:

875i-1875i875-1i875-2i

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